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SQL>
SQL> CREATE TABLE product (
2 product_name VARCHAR2(25) PRIMARY KEY,
3 product_price NUMBER(4,2),
4 quantity_on_hand NUMBER(5,0),
5 last_stock_date DATE
6 );
Table created.
SQL>
SQL> CREATE TABLE product_order (
2 product_name VARCHAR2(25),
3 salesperson VARCHAR2(3),
4 order_date DATE,
5 quantity NUMBER(4,2)
6 );
Table created.
SQL>
SQL>
SQL> INSERT INTO product_order VALUES ('Product 1', 'CA', '14-JUL-03', 1);
1 row created.
SQL> INSERT INTO product_order VALUES ('Product 2', 'BB', '14-JUL-03', 75);
1 row created.
SQL> INSERT INTO product_order VALUES ('Product 3', 'GA', '14-JUL-03', 2);
1 row created.
SQL> INSERT INTO product_order VALUES ('Product 4', 'GA', '15-JUL-03', 8);
1 row created.
SQL> INSERT INTO product_order VALUES ('Product 5', 'LB', '15-JUL-03', 20);
1 row created.
SQL> INSERT INTO product_order VALUES ('Product 6', 'CA', '16-JUL-03', 5);
1 row created.
SQL> INSERT INTO product_order VALUES ('Product 7', 'CA', '17-JUL-03', 1);
1 row created.
SQL>
SQL>
SQL> INSERT INTO product VALUES ('Product 1', 99, 1, '15-JAN-03');
1 row created.
SQL> INSERT INTO product VALUES ('Product 2', 75, 1000, '15-JAN-02');
1 row created.
SQL> INSERT INTO product VALUES ('Product 3', 50, 100, '15-JAN-03');
1 row created.
SQL> INSERT INTO product VALUES ('Product 4', 25, 10000, null);
1 row created.
SQL> INSERT INTO product VALUES ('Product 5', 9.95,1234, '15-JAN-04');
1 row created.
SQL> INSERT INTO product VALUES ('Product 6', 45, 1, TO_DATE('December 31, 2008, 11:30 P.M.','Month dd, YYYY, HH:MI P.M.'));
1 row created.
SQL>
SQL> SELECT * FROM product;
PRODUCT_NAME PRODUCT_PRICE QUANTITY_ON_HAND LAST_STOC
------------------------- ------------- ---------------- ---------
Product 1 99 1 15-JAN-03
Product 2 75 1000 15-JAN-02
Product 3 50 100 15-JAN-03
Product 4 25 10000
Product 5 9.95 1234 15-JAN-04
Product 6 45 1 31-DEC-08
6 rows selected.
SQL>
SQL> UPDATE product
2 SET product_price = product_price * .9
3 WHERE product_name NOT IN (SELECT DISTINCT product_name FROM product_order);
0 rows updated.
SQL>
SQL> SELECT * FROM product;
PRODUCT_NAME PRODUCT_PRICE QUANTITY_ON_HAND LAST_STOC
------------------------- ------------- ---------------- ---------
Product 1 99 1 15-JAN-03
Product 2 75 1000 15-JAN-02
Product 3 50 100 15-JAN-03
Product 4 25 10000
Product 5 9.95 1234 15-JAN-04
Product 6 45 1 31-DEC-08
6 rows selected.
SQL>
SQL> drop table product;
Table dropped.
SQL> drop table product_order;
Table dropped.
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